clk: rockchip: add missing include guards

Review for the rk3368 turned up that the clock header was missing include
guards. This is also true for the already existing clock binding headers,
so add them.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
4 files changed